CVE-2026-28227

CVSS Score & Metrics

Base Score

2.7 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N                                    

Vulnerability Description

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, TL4 users can publish topics into staff-only categories via the `publish_to_category` topic timer, bypassing authorization checks. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.

Vulnerability Details

Published Date

February 26, 2026

Last Modified

March 02, 2026

CWE ID

CWE-863

Source

NVD

Vendor

discourse

Product

discourse

External References

https://github.com/discourse/discourse/security/advisories/GHSA-m49w-78mh-87jp

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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